gnu: texlive: Remove texlive-minimal.

This package is superseded by the modular TeX Live distribution.

* gnu/packages/tex.scm (texlive-minimal, texlive-texmf-minimal): Remove
variables.

gnu: biber: Update to 2.7.

* gnu/packages/tex.scm (biber)[name]: Rename to 'biber'.
(biber-2.5): Remove variable.

gnu: texlive: Update to 2017.

* gnu/packages/tex.scm (texlive, texlive-texmf): Update to 2017.
(texlive-texmf-src): Update to 20170524. Remove
'texlive-texmf-CVE-2016-10243.patch'.
(texlive-bin, texlive-extra-src): Update to 20170524.
* gnu/packages/patches/texlive-texmf-CVE-2016-10243.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu: biber-next: Update to 2.7.

* gnu/packages/tex.scm (biber): Update to 2.7.

Merge branch 'master' into core-updates

gnu: texlive-latex-mdwtools: Fix syntax error in description.

* gnu/packages/tex.scm (texlive-latex-mdwtools)[description]: Fix texinfo
syntax error.

gnu: texlive-latex-environ: Fix invalid texinfo markup.

* gnu/packages/tex.scm (texlive-latex-environ)[description]: Fix texinfo
syntax errors.

gnu: texlive-union: Silence union-build.

* gnu/packages/tex.scm (texlive-union)[arguments]: Suppress the output of
"union-build".

gnu: Add texlive-latex-type1cm.

* gnu/packages/tex.scm (texlive-latex-type1cm): New variable.

gnu: Add texlive-fonts-txfonts.

* gnu/packages/tex.scm (texlive-fonts-txfonts): New variable.

gnu: Add texlive-latex-enumitem.

* gnu/packages/tex.scm (texlive-latex-enumitem): New variable.

gnu: texlive-dvips: Install font maps.

* gnu/packages/tex.scm (texlive-dvips)[native-inputs]: Add dvips-font-maps and
dvips-base-enc.
[arguments]: Install them.

gnu: texlive-union: Add texlive-fontname to defaults.

* gnu/packages/tex.scm (texlive-union): Add texlive-fontname to the default
packages

gnu: Add texlive-fontname.

* gnu/packages/tex.scm (texlive-fontname): New variable.

gnu: Add texlive-latex-pstool.

* gnu/packages/tex.scm (texlive-latex-pstool): New variable.

gnu: Add texlive-latex-trimspaces.

* gnu/packages/tex.scm (texlive-latex-trimspaces): New variable.

gnu: Add texlive-latex-psfrag.

* gnu/packages/tex.scm (texlive-latex-psfrag): New variable.

gnu: Add texlive-latex-ifplatform.

* gnu/packages/tex.scm (texlive-latex-ifplatform): New variable.

gnu: Add texlive-latex-filemod.

* gnu/packages/tex.scm (texlive-latex-filemod): New variable.

gnu: Add texlive-latex-environ.

* gnu/packages/tex.scm (texlive-latex-environ): New variable.